000019467 001__ 19467
000019467 005__ 20170118182319.0
000019467 04107 $$aeng
000019467 046__ $$k2017-01-09
000019467 100__ $$aHao, Linfei
000019467 24500 $$aResidual Seismic Capacity Evaluation for RC Buildings Considering Reduction of Seismic Performances

000019467 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000019467 260__ $$b
000019467 506__ $$arestricted
000019467 520__ $$2eng$$aIn order to evaluate residual seismic capacity of reinforcement concrete (RC) structures damaged due to earthquakes quantitatively, kinds of evaluation methods have been proposed by the previous researchers. In this paper, a method based on internal work (IW) of the structure and seismic capacity reduction factor of the members, for which numerical analysis is not needed, is reviewed. At the same time, a more accurate method based on the capacity spectrum method (CSM), which considers the reduction in strength, deformation capacity and hysteretic energy dissipation capacity of the damaged structural members separately, is also reviewed. To compare the CSM based method and the IW based method, reduction in the different seismic performances (e.g. strength, deformation capacity and hysteretic energy dissipation capacity) are considered integrally as the reduction in energy dissipated by the member. Then the seismic capacity reduction factor utilized in the IW based method is replaced by the energy dissipation residual ratio, and reduction in the difference seismic performances can be also considered in the IW based method. Through application of both the CSM based and IW based method on prototype frame models, result of the IW based method is found to be not conservative compared with the CSM based one due to ignoring difference among deformation of the members. To include influence of the member deformation, the IW based method is modified then and the following verification shows that the modified IW based method gives accurate and conservative estimation on result of the CSM based method without need of numerical analysis.

000019467 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000019467 653__ $$aResidual seismic capacity evaluation, Internal work, Capacity spectrum method, Seismic performance reduction, Difference among member deformation

000019467 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000019467 720__ $$aHao, Linfei$$iSuzuki, Yusuke$$iMaeda, Masaki
000019467 8560_ $$ffischerc@itam.cas.cz
000019467 8564_ $$s715033$$uhttps://invenio.itam.cas.cz/record/19467/files/3693.pdf$$yOriginal version of the author's contribution as presented on USB, paper 3693.
000019467 962__ $$r16048
000019467 980__ $$aPAPER